Link to download .exe, (25.6mb zipped)
here's the package.json i used to export to node-webkit,
download node-webkit for windows here,
aaaand wiki about node-webkit here.
Tutorial on how to export
Check out here for more detailed info how to package and distibute your app for Windows, Mac or Linux
So, i haven't tested how the other HTML5 api behaves, i just tried to call "Request Fullscreen" from Construct, and it didn't work, but maybe i set up the package.json wrong.
Here's some additional info on webgl support on windows with node-webkit
This is cool and everything and it gives an superior alternative to the Awseomium, but i think the real magic lies in the possibility to implement node.js wizardry in construct2 and get a nice .exe file with a bunch of power.